Lung cancer is the second most diagnosed cancer and remains the leading cause of cancer-related deaths in the United States. The high mortality is largely the consequence of late diagnosis; lung cancer is typically asymptomatic in early stages when a surgical cure is most likely. As a result, there has been great interest in and research on early detection of lung cancer through screening. There is evidence for reduced disease-specific mortality through screening for lung cancer. However, creating an integrated, systematic approach to lung cancer screening remains a challenge...